Extend Parkhouse Halt Place Minor


EP4 Triple Mode Constraints



EP4 Triple Mode Derivation

  0 1 2 3 4 5 6 7 8
1. Parkhouse Halt Place Minor 14 56 1456 - 1236 1234 56
2. Extract places made by the hunt bell 1 - - - - - 6
3. Extract places above the hunt bell 4 56 456 - 6 - -
4. Extract places below the hunt bell - - 1 - 123 1234 5
Expand places above the hunt bell G F E D C B A
5. Reverse and invert places from [3] - - 1 - 123 12 3
6. Separate into two overlapping strips - - 1 - 123 12
7. Using the start change and overlap 123 12 3
8. Expand places above mode in [7] to next stage 123 12 3
9. Connect the static [6] and expanded [8] strip - - 1 - 123 12 123 12 3
10. Reverse and invert places in [9] back again 6 78 678 78 678 - 8 - -
Expand places below the hunt bell A B C D E F G
11. Below places from [4] - - 1 - 123 1234 5
12. Separate into two overlapping strips - - 1 - 123
13. Using the start change and overlap - 123 1234 5
14. Expand places above mode in [13] to next stage - 145 1456 7
15. Connect the static [12] and the expanded [14] strip - - 1 - 123 - 145 1456 7
Expand places of the hunt bell A B C D E F G
16. Hunt bell places from [2] 1 - - - - - 6
17. Separate into two overlapping strips 1 - -
18. Using the start change and overlap - - - - - 6
19. Expand places above mode in [18] to next stage - - - - - 8
20. Connect the static [17] and the expanded [19] strip 1 - - - - - - - 8
Recombine above, below and hunt bell places A B C D E F G H I
21. Above places from [10] 6 78 678 78 678 - 8 - -
22. Below places from [15] - - 1 - 123 - 145 1456 7
23. Hunt bell places from [20] 1 - - - - - - - 8
24. [Unnamed] Bob Major 16 78 1678 78 123678 - 1458 1456 78

Extension and contraction candidates using extension process EP4-2/4:2:3/3:2:1/1:2:1  

164235 Parkhouse Halt Place Minor 56.1456-1236.1234.56,14
18462537 [Unnamed] Bob Major 78.1678.78.123678-1458.1456.78,16
1087654239 [Unnamed] Differential Bob Royal 90.1890.90.123890.90.145890-1670.1678.90,18
1T970582643E [Unnamed] Bob Maximus ET.10ET.ET.1230ET.ET.1450ET.ET.1670ET-189T.1890.ET,10
1B97E5T204863A [Unnamed] Bob Fourteen AB.1TAB.AB.123TAB.AB.145TAB.AB.167TAB.AB.189TAB-10EB.10ET.AB,1T
1D97E5A2B4T6083C [Unnamed] Differential Bob Sixteen CD.1BCD.CD.123BCD.CD.145BCD.CD.167BCD.CD.189BCD.CD.10EBCD-1TAD.1TAB.CD,1B
Minor Major Royal Maximus Fourteen Sixteen
Parkhouse Halt Place Minor [Unnamed] Bob Major [Unnamed] Differential Bob Royal [Unnamed] Bob Maximus [Unnamed] Bob Fourteen [Unnamed] Differential Bob Sixteen